diff --git a/gdsfactory/components/bend_s.py b/gdsfactory/components/bend_s.py
index 8114af365b..1c767b1f0f 100644
--- a/gdsfactory/components/bend_s.py
+++ b/gdsfactory/components/bend_s.py
@@ -65,6 +65,7 @@ def bend_s(
 def get_min_sbend_size(
     size: Float2 = (None, 10.0),
     cross_section: CrossSectionSpec = "strip",
+    num_points: int = 100,
     **kwargs,
 ):
     """
@@ -73,6 +74,7 @@ def get_min_sbend_size(
      Args:
         size: in x and y direction. One of them is None, which is the size we need to figure out.
         cross_section: spec.
+        num_points: number of points to iterate over between max_size and 0.1 * max_size
         kwargs: cross_section settings.
 
     """
@@ -99,7 +101,7 @@ def get_min_sbend_size(
     # the max size corresponds to an ellipsoid
     max_size = 2.5 * np.sqrt(np.abs(min_radius * known_s))
 
-    sizes = np.linspace(max_size, 0.1 * max_size, 100)
+    sizes = np.linspace(max_size, 0.1 * max_size, num_points)
 
     for i, s in enumerate(sizes):
         sz = copy.deepcopy(size)